public static int SolutionChanges(Level level, MoveList solution)
{
if (solution == null)
{
return -1;
}
Level tempLevel = new Level(level);
int changes = 0;
int lastBoxIndex = -1;
foreach (OperationDirectionPair pair in solution)
{
if (pair.Operation == Operation.Push)
{
int boxIndex = tempLevel.BoxIndex(tempLevel.SokobanCoordinate + pair.Direction);
if (boxIndex != lastBoxIndex)
{
changes++;
lastBoxIndex = boxIndex;
}
}
tempLevel.Move(pair);
}
return changes;
}
public static int MinimumBoxMoves(Level level, MoveList solution)
{
if (solution == null)
{
return -1;
}
int boxes = level.Boxes;
if (boxes == 0)
{
return 0;
}
int[] boxMoves = new int[boxes];
Level tempLevel = new Level(level);
foreach (OperationDirectionPair pair in solution)
{
if (pair.Operation == Operation.Push)
{
boxMoves[tempLevel.BoxIndex(tempLevel.SokobanCoordinate + pair.Direction)]++;
}
tempLevel.Move(pair);
}
int min = int.MaxValue;
foreach (int moves in boxMoves)
{
min = Math.Min(min, moves);
}
return min;
}
